Introduce new lessons in the experiment, set up scenarios skillfully, and stimulate students' desire for knowledge;

2. Strengthen demonstration experiments to improve classroom learning efficiency;

Using simple materials to improve some demonstration experiments can effectively cultivate students' experimental design ability.

Second, strengthen students' experiments and improve their practical ability.

Some demonstration experiments are changed to exploratory grouping experiments to cultivate students' innovative ability;

Strengthen the production of extracurricular small experiments, guide students to use one thing for multiple purposes, and tap the experimental potential of students.